ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,730, issued on June 10, was assigned to BOLT THREADS INC. (Emeryville, Calif.).

"Compositions and methods for producing high secreted yields of recombinant proteins" was invented by Joshua Kittleson (Pleasant Hill, Calif.), Thomas Stevens (San Francisco), Rena Hill (Oakland, Calif.), Carlos Gustavo Pesce (San Francisco), David N. Breslauer (San Francisco) and Daniel M. Widmaier (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to methods for producing recombinant proteins, as well as compositions used in and produced by such methods. Specifically, the present disclosure relates to methods for producing high...